06-28-2016
Apache - tcpdump get HTTP and HTTPS Headers
Hello
I googled for "tcpdump view HOST http headers" -- that fine
However can we do same for HTTPS like after the HTTPS gets decrypted by Apache ?
I think this is legitimate on the server where the site is hosted since at some point the Apache itself needs to get the HOST patrameter in order to send the request to the correct VHOST
Regards
coolatt
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LEARN ABOUT DEBIAN
net::https::nb
Net::HTTPS::NB(3pm) User Contributed Perl Documentation Net::HTTPS::NB(3pm)
NAME
Net::HTTPS::NB - Non-blocking HTTPS client
SYNOPSIS
Example from Net::HTTP::NB
use Net::HTTPS::NB;
use IO::Select;
use strict;
my $s = Net::HTTPS::NB->new(Host => "pause.perl.org") || die $@;
$s->write_request(GET => "/");
my $sel = IO::Select->new($s);
READ_HEADER: {
die "Header timeout" unless $sel->can_read(10);
my($code, $mess, %h) = $s->read_response_headers;
redo READ_HEADER unless $code;
}
while(1) {
die "Body timeout" unless $sel->can_read(10);
my $buf;
my $n = $s->read_entity_body($buf, 1024);
last unless $n;
print $buf;
}
Example of non-blocking connect
use strict;
use Net::HTTPS::NB;
use IO::Select;
my $sock = Net::HTTPS::NB->new(Host => 'encrypted.google.com', Blocking => 0);
my $sele = IO::Select->new($sock);
until ($sock->connected) {
if ($HTTPS_ERROR == HTTPS_WANT_READ) {
$sele->can_read();
}
elsif($HTTPS_ERROR == HTTPS_WANT_WRITE) {
$sele->can_write();
}
else {
die 'Unknown error: ', $HTTPS_ERROR;
}
}
See `examples' subdirectory for more examples.
DESCRIPTION
Same interface as Net::HTTPS but it will never try multiple reads when the read_response_headers() or read_entity_body() methods are
invoked. In addition allows non-blocking connect.
If read_response_headers() did not see enough data to complete the headers an empty list is returned.
If read_entity_body() did not see new entity data in its read the value -1 is returned.
PACKAGE CONSTANTS
Imported by default
HTTPS_WANT_READ
HTTPS_WANT_WRITE
PACKAGE VARIABLES
Imported by default
$HTTPS_ERROR
METHODS
new(%cfg)
Same as Net::HTTPS::new, but in addition allows `Blocking' parameter. By setting this parameter to 0 you can perform non-blocking connect.
See connected() to determine when connection completed.
connected()
Returns true value when connection completed (https handshake done). Otherwise returns false. In this case you can check $HTTPS_ERROR to
determine what handshake need for, read or write. $HTTPS_ERROR could be HTTPS_NEED_READ or HTTPS_NEED_WRITE respectively. See "SYNOPSIS".
blocking($flag)
As opposed to Net::HTTPS where blocking method consciously broken you can set socket blocking. For example you can return socket to
blocking state after non-blocking connect.
SEE ALSO
Net::HTTP, Net::HTTP::NB
COPYRIGHT
Copyright 2011 Oleg G <oleg@cpan.org>.
This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
perl v5.14.2 2011-06-07 Net::HTTPS::NB(3pm)